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Finding the Fourth Proportional to 173,376.40, 260,040.30 and 55,059.70

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Solution

The fourth proportional to 173,376.40, 260,040.30 and 55,059.70 is: 82,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,376.40 : 260,040.30 = 55,059.70 : x
  2. Step 2: Convert to fraction form
    173,376.40/260,040.30 = 55,059.70/x
  3. Step 3: Cross multiply
    173,376.40x = 260,040.30 × 55,059.70
  4. Step 4: Simplify right side
    173,376.40x = 14,317,740,905.91
  5. Step 5: Solve for x
    x = 14,317,740,905.91/173,376.40
  6. Step 6: Final answer
    x = 82,581.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.